Boot or shoe sewing-machine



(No Model.) 7 SheetsSheet- 1. C. S. GOODINGXE T. K. KEITH.

BOOT OR SHOE SEWING MACHINE.

Patented Oct. 25, 1892.

INVENTEBRS:

CUT? J/% o-umu. WASHINGTON n c (No Model.) 7 Sheets-$11888 2.

0. s. GOODING 81; T. K. KEITH. BOOT 0R SHOE SEWING MACHINE.

No. 484,958. Patented 001;. 25, 1892.

8 8 81mm llilllii \A/ITNESSES.

(No Model.) 7 Sheets-Sheet 3.

G. S. GOODING & T. K. KEITH. BOOT 0R SHOE SEWING MACHINE.

No. 484,958. Patented 001;. '25, 1892.

\A/l-TNESESH I INVENTJIIRSr.

@J W fl w. I WW 'JKW i 7 Sheets-Sheet 4. G. S. GOODING & T. K. KEITH.

(No Model.)

BOOT 0R SHOE SEWING MACHINE.

Patented Oct. 25, 1892.

WITNESSES? a m/m4. d5]? (No Model.) 7 SheetsSheet 5.

(Ls. GOODING & T. K. KEITH. BOOT OR SHOE SEWING MACHINE.

No. 484,958. w Patented Oct. 25,1892.

WITNESSES: INVl-INTURSR fimm/ OJ 6/8 W J 4 W (No Model.) 7 SheetsSheet 6. C. S. GOODING & T. K. KEITH.

BOOT 0R SHOE SEWING MACHINE.

No. 484,958. Patented Oct. 25, 1892.

INVENT 5 5: CRY/ (No Model.) 7 Sheets-Shet 1.

G. S. GOODING 8PT. K. KEITH.

BOOT OR SHOE SEWING MACHINE.

No. 484,958. Patented Oct. 25, 1892.

INVENT En \A/ITNEEEEEiI UNITED STATES PATENT OFFICE.

CHARLES S. GOODING, OF BROOKLINE, AND THOMAS K. KEITH, OF BOSTON,

MASSACHUSETTS, ASSIGNORS TO THE SEAVER SEWING-MACHINE COM- PANY, OF MAINE.

BOOT O R SHOE SEWING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 484,958, dated October 25, 1892.

Application filed November 20. 1891. Serial No. 412,515. (No model.)

.To all whom it may concern.-

Be it known that we, CHARLES S. GOODING, residing at Brookline, in the county of Norfolk, and THOMAS K. KEITH, residing at Boston, in the county of Suffolk, State of Massachusetts, have invented certain new and useful Improvements in Boot and Shoe Sewing- Machines, of which the following is a specification.

IO Our invention relates, chiefly, to that class of machines for sewing welts to the uppers and inner soles of boots and shoes in which a curved barbed needle is used in conjunction with a curved awl which moves in the same path with the needle.

Our invention consists in the several improvements hereinafter described and claimed, relating to the presser-foot and lockwelt guide.

In this invention the shoe while being operated upon has the sole substantially vertical and the direction of feed is away from the operator.. The shoe being so held and operated upon is much more easily controlled, the'operator looking down at the Work from the side of the shoe upon which the work is being done.

In the accompanying drawings, forming a part of this specification, Figure 1 is a front elevation of the front part of the machine of our invention. Fig. 2 is a side elevation of the same from the left of Fig. 1. Fig. 3 is a rear elevation. Fig. 4 is a plan of the front part of the machine. Fig. 5 is a section on line 5 5, Fig. 1. Fig. 6 is a detail elevation of the needle rock-shaft connections. Fig. 7 is a detail elevation of the feed rock-shaft mechanism, looking from the left of Fig. 3. Fig. 8 is an elevation in detail of the awl-carrier connections. Fig. 9 is a similar view of the needle-carrier and connections and the cast-off. Fig. 10 is an elevation, and Fig. 11 an elevation partly in section, of the cam-lever which actuates the feed rock-shaft. Fig. 11 is a side elevation in detail of the needle and cast-0H. Fig. 11 is a section on line 11 11, Fig. 11. Fig. 12 is a detail plan of the looper connection. Fig. 12 is a vertical section on the axial line of the looper-rod. Fig. 13 illustrates a section of a boot with the neeframe A.

dle-awl, &c., in their respective positions.- Fig. 14 is a section of the presser-foot lock on line 14 14, Fig. 1. Fig. 15 is a section of the same on line 15 15, Fig. 4. Fig. 16 is a side elevation of the presser-foot looper-needle and channel-gage,illustrating the operation of the looper, the last and shoe being in section. Fig. 17 is a similar view showing the looper and needle in a different position. Fig. 18 is a horizontal section through the cast-off-rod friction device.

In the drawings, a is the main shaft of the machine and turns in bearings a a in the The shaft to is rotated by the pulley a The curved needle b" is affixed to a carrier b mounted on a carrier-support a, Fig. 2, which, as hereinafter described, is oscillated to give the needle lateral Work-feeding movements by means of a rock-shaft a to which the carrier-support a is affixed. The rock-shaft a is rocked by the following mechanism: In the side of the pulley a is a cam-groove cf, Fig. 7, which actuates the lever a said lever having a bearing 0. in the frame of the machine. A dovetail groove a in the lever a receives the adjustable '75 clamping-stud a Fig. 7. Said stud passes through a slot a in the arm a, and may be clamped at any desired distance from the center of oscillation of the lever a thus providing for a variable throw of the arm 0. and rock-shaft a from a fixed throw of the cam (1 for the purpose of varying the length of the stitches by varying the length of the movements of the needle-carrier support 0.. The arm a is fastened by set-screws to the feed rock-shaft a said rock-shaft having bearings-a a in the frame of the machine. To the opposite end of the rock-shaft 00 is fastened or otherwise secured the needle-carrier support (4 The mechanism for oscil- 9o lating the needle to cause it to alternately enter and leave the Work is as follows.

12 representsalever, which is pivoted upon the stud b and is actuated by the stud b,

Figs. 2 and 6, on cam 19, to which stud the 5,

lever b is connected by the link I). The lever 19 is provided with a slotted arm 5 to which is fastened the link 5 by the stud and nut bl.

Said link b connects. the lever b to thearm. b, said arm being fastened to the needle-ope crating rook-shaft I)". Said needle rock-shaft in a grooved segmental plate fastened to-0,

thus securing the needle-holder against-lat= eral play.

0 Figs. 5, 9,. 11 and 111i, represents-the. cast-off, which is operatedbytthe following: mechanism: 0, Figs... 2. and. 3, represents; a. sliding rod; which hasattached; to; it by set: screws the-two blocks 0 c and. isprcnided with means for holding. it by friction. inane"- position; to. which it maybe mott ed-by the; sliding-block h, which alternately raisesaind' lowiers; it bystriking theblockstoi-ci, respect-a 1ve y.

The friction devicelreferred; to ,forholding the cast-offrodv c inany position; to: which. it

may bemoved. by: the. block; 19 isiillustratcdi 1n Fag. 18; and. consiststof: a'lealihert 11 9.

disk. 0 which. is kept pressed againsnthet rod; 0 by thespning; 0 and; set-screw c9;

To'the upper end ofi the: rod; 0 is; attached:

the steehplateci Fig. 5, to.w hioh,.isfastened the studio, engaging the slidingzblockr c5: Said sliding blockactuatestheforkedarmnflwhiohl 1s grippedr to the shaft 0 of thecast-offi holder. a Fig. 5. The cast-oft c is SQIGWBdS'tOPthB: cast-01f: holder, all as. shownrinrEig: 5. The needle is engaged: by the. oastroffi. to give; i0 support, .see Figs. 11 and. 11*, the GflStr-Ofi enclrcling about two-thirds of the cincumferience of the-needlc,.the outer sideofi the. meter dleor thepart ofi theneedle farthestfronnthe; center of rotation being left open, the object: beingztolavoid striking-the inner sole with the castrofiwhen the latter moves up. tomeceivetheloopthrown.out bythe needlei d represents .the .awl, the operatingmechg anismofrwhich ismextdescribed. The-stud. b, Figs..2 and. 6, is connected: to.tl1earmoh, Fig; 3, by the link d; to .the'awl rock-shaft d which tunnsin; bears" ingsd d on the frame A. Totheothenend;

of theawl rook-shaft is. fastened. the forked;

lever-d5, which engagesa sliding block-upon: a stud: d, fastened; to-theupright sliding;rod: d Upon the upper-endof theslidingmod d7 is secured'a. forked arm d ,:Figs..4= and.8, which is connected by thelink d to. the awl-holder (1 Fig. 8: The awl 01. is securedto the holders (Z by; the capld. and. screw (1., Fig. The

aw-l-holderturns upon a Stild d; which is screwedinto the downwardly-projecting arm (1 Fig. 5, of the frame A. e represents the Saidarmd. isfa'stened.

pressen-foot, whichiis arran gedtobear on. the work" between the needle and welt-guide and is operated by the following mechanism:

The arm. (1 is provided with a boss e, Figs. 3 and 4, which receives a screw 6, the lower end Of-i whichtbearsiagainst theend of a lever (2?, Figs..3.and.4,-pivoted upona stud e onthe frame A. The other endofthe lever e 'abuts against the casting a, Figs. 2, 3, and 4, which is fastened to the upper end of the vertical sliding-presser-foot rod e Said rod slides in bearings in the frame and has attached to its lower end the presser-foot e Said presserfoot is. formed so asto passover or bridge the needle I)" and rest upon the shoe at the right, as viewedin' Fig. 2; ct; the point where the awld punctures the stock. The presser-foot, 'in addition to the. olfset. on-rfootproper-c which: rests. upona thfltWQl-IL. w of. the shoe is provided witham arm on oifsete mhichtrests. upon. the top of thewelt.-guide. Z-,. Eig; 2;.when.= thepressenfootis depressed, thushclfiimg-the welt ver-y firmly againstthe'shoein. a.p0sition tobeattached theretoiby tl1e-thread,the-olfset a being: arranged tobear on? theweltata point immediately over the channel-gageg, whichtsuppontsthe workv against the. downiwandpressure ofi thepressen-foot. Hencether Presser-foot, .bearingdireot-ly on the welt ,at a.

point' whciret thawelt bearsadirectly'ontheiup per, presses the. Weltclosely to place, and: thereby relieves thestitch-forming mechanismi andithetthread. of much-of the; strain that would othenw-iseibe lHVOIgV-Edx in drawingtheweltclosely toplanel down against the shoe by the spring e ,,,which. bears upon, the. casting e attached; to said pressen-foot. rod. The. presser-footis" raised.

automaticallyby the lever-e to allow.t=he shoe.- to be fed' bythe needla. The presser-fQot is- The resser-foot iskeptQ raised;for.theiintroductiomof the workihy the hand-lever. -e ,.which1is.pivoted!upomastude :andahuts-againstt i'JhGlQWGIiffiGBOfihhBiGfiSl)? ing. e fastened to;tl1e.- presserrfoot rod... The presser-footrodisprevented. fromrotating in! 'itszbearingsibythe.castingeflw-hich embraces thez-looper-rod.

In: order. that .the presser-footmaybehcld firmly against the; shoe when the thread is? ,beingdrawn u pby the tension; andwalso when the needle is. passing! upward through the- 'stock,.we provide; a. presserfoot lock, which holds thetpresser-footfixed,.ex.cept when: the Ishoeis -being,fed;. We: accomplish: this; by, the following mechanisniz. Thepresserrfoot: rod-e? is connectedlto; the rod f by-the=oast-.

.inbeaaings in. thelframe A: and iskept .dowm ;by thespirala spring 1*, Fig; 1,.bearingiagainst.

thecollanfi'attachedlto saidfrodif'- ,To;the: lin-k1d Fig.1, isfattachedr an: adjustable. col- ;lanf which asit. is; depressed. engagesthe- I I'Odz .*,.Figs.1, 14,.and:,15.. Said rod passes.

'throughaholerini the pin f?,.said:pintunnsin. the hollow; stud; or sleeve. 1, which isscrewedsinto, theframeA: and-is slotted'to 'al-.

low the rod f to turn with the pin f. The

pin f projects beyond the stud f into an opening in the frame and is made of a cam shape atf Fig. 15. A springf ,Fig. 1, keeps the cam f normally pressed against the rod f, thus looking it and the presser-foot rod and presser-foot to which it is connected. When the collar f engages the pin f, it overcomes the spring f turning the pin f and cam f so as to free the rod f and leave the presser-foot free to be raised, in order that the shoe may be fed. The welt-guide con-,

as follows: A lever 'i, Fig. 3, pivoted on a stud i, is actuated by the cam I). Said lever 't' is connected by the link i to the arm i said arm 1' is provided with a shank i, Fig. 12, which fits ina hole drilled in the upright oscillating looper-shaft 2' and is fastened to said shaft by a vertical set-screw v1. The looper-shaft is prevented from endwise movement by the collars 71 '6 To the lower end of the looper-shaft 2' is attached the looper t consisting of a thread-eye 1', Figs. 1, l6, and 17, formed upon the end of a small rod or wire, the shank of the wire being inserted in a hole in the end of the looper-shaft 1L and in the center of said shaft. The thread passes through a thread-eye 2' Figs. 3, 16, and 17, in the presser-foot bar e between the looper and the take-up. The looper is so timed, as illustrated in Figs. 16 and 17, that it draws thread from the take-up while the needle is drawing the loop through the stock and setting the previous stitch, so that when the needle comes up to take the thread from the looper there is slack thread between the needle and the take-up supplied by the looper, thus reducing the strain which would otherwise come upon the needle, as in the case when the needle draws its thread from the take-up direct.

The operation of the machine as a whole is as follows: The presser-foot e is raised by means of the hand-lever a, Fig. 2. The boot is then placed, as shown in Fig. 13, resting upon the channel-gage g. The presser-foot is then lowered until it bears upon the welt, forcing the welt firmly against the upper and inner sole. The shaft of the machine then being rotated, the awl is forced downwardly through the stock and retreating is followed by the needle. The shoe is then fed forward to theleft in Fig. 2 by the needle, which receives its motion through the rocking of the needle-carrier support (1 The needle having fed the work, the looper 2' passes the thread around the needle and into the barb of said needle, which descending draws the loop down with it, the looper returning to its former position to make way for the awl. The needle then moves to the right, Fig. 2, and, passing through the stock, throws out the loop, which is held by the. cast-off while the needle receives a new loop, as described, which it draws through the loop previously formed, resulting in the ordinary chain-stitch with the chain or loop embedded in the channel. The thread passes from the looper to any suitable take-up and thence to the waxpot.

We claim- 1. In a welt-sewing machine, the combination of the stitch-forming mechanism including an oscillating curved needle, a welt-guide arranged to guide the welt to the needle, a presser-foot arranged to bear directly on the welt between the welt-guide and needle at a point where the welt bears directly on the upper, and a channel-gage arranged to support the work against the downward pressure of the presser-foot, as set forth.

2. In a welt-sewing machine, the combination of the stitch-forming mechanism including an oscillating curved needle, a welt-guide arranged to guide the welt to the needle, and a presser-foot formed to bear on the welt between the needle and welt-guide and provided with an arm or offset formed to bear on the welt-guide, as set forth.

3. In a welt-sewing machine, the combination of the stitch-forming mechanism including an oscillating curved needle, a welt-guide arranged to guide the welt to the needle, a presser-foot formed to bear on the welt between the needle and welt-guide and pro vided with an arm or offset formed to bear 'on the welt-guide, and mechanism, substantially as described, for locking the presser-foot, as set forth.

In testimony whereof we have signed our names tothis specification,in the presence of two subscribing witnesses, this 13th day of November, A. D. 1891.

CHARLES S. GOODING. THOMAS K. KEITH. Witnesses:

O. F. BROWN, A. D. HARRISON. 

